I want to convert used coffee grounds into activated carbon through impregnation with acid and carbonization. Does the percentage of moisture in the used coffee grounds matter? Will it affect the carbonization and impregnation process?
to know the volume fraction
03 February 2024 9,666 3 View
I'd appreciate advice about acoustic recorders for learning about bird diversity. Which song meter model would be the best to leave in a dense forest for weeks or months? Thank you in advance
17 July 2023 8,071 0 View
I have already processed my fish gut samples for microplastics analysis from extraction to filtration and drying. The extracted microplastic particles were stored in dried glass fiber membranes....
16 April 2023 8,457 2 View
The MSE value from my ANN training is over a hundred for water quality forecasting. Is that mean that my ANN model is bad because the larger MSE means the larger the error. for example, the...
21 January 2023 5,273 1 View
I am following Karam et el (2017) method on digestion at 40C instead of 60C as most publications reported disruption in the plastic components. KOH had the most optimum digestion as well compared...
22 October 2021 115 9 View
Hi, I managed to estimate SEM, SAR and SDM for spatial panel models. However, to test whether the SDM can be simplified to SAR or SEM, there is a need to conduct Wald or LR test. I am thankful if...
05 August 2021 4,559 3 View
My research is about patient safety culture among healthcare workers using the Hospital survey on patient safety culture (HSOPSC). I am performing a multiple linear regression to predict the...
12 January 2021 3,354 3 View
Let's say that we are doing an online survey among a group of people with the same profession - cross-sectional study. The population size identified, and sample size calculation is done. And...
26 August 2020 3,592 5 View
I am doing analysis of newspaper using DHA looking at representation of women in classical media. Can anyone help to understand how to do the analysis starting from referential strategies,...
26 July 2020 458 1 View
I work in the field of brass corrosion (Cooper and Zinc) in a 3 ′ / • NaCl medium. At the anodic part of the polarization curve, we notice a gas evolution on the counter-electrode (platinum) and a...
31 December 2019 3,159 0 View
Coffee waste
16 July 2024 1,303 3 View
In other words, I did not use the trained XGBoost model to make predictions on the test set and then use SHAP for interpretation. The reasons are as follows: Even with the best and most...
26 June 2024 7,332 1 View
I want to confirm the information so I can add it to my simple information
20 June 2024 4,160 0 View
I have an assembly of parts. I want to reduce the number of modes of the individual parts by CMS.
11 June 2024 2,966 0 View
I have been boggled by a seemingly simple problem. Many studies state that "The water contents of the pots were checked daily by weighing and adjusted to field capacity." How is this performed?...
08 June 2024 5,207 8 View
Recently I came across the Zaltman Metaphor Elicitation Technique(ZMET),a qualitative technique that uses metaphores. Definitely, it is new to me, howeve, it is interesting and relevant for my...
06 June 2024 8,336 0 View
Dear researchers and academicians. I am kindly requesting for your contributions to the above question on proxies for profitability of smallholder coffee production. Thanks so much and kind regards.
04 June 2024 722 0 View
The decomposition of soil organic carbon (SOC) is a critical process in the carbon cycle, significantly affecting carbon storage and release in terrestrial ecosystems. In arid and semi-arid...
17 May 2024 7,699 4 View
Hey professionals: I'm conducting a research to examine/analyse the reporting of the Christchurch Mosque attack by two newspaper (The Guardian London and The New Zealand Herald). I am interested...
09 May 2024 6,210 4 View
Estimating hourly surface runoff for the last 27 years (1992-2018) using multiple information including rainfall, soil moisture, topography, land use/land cover, soil classification.
06 May 2024 5,629 0 View